多項選擇題Which two Ethernet fiber-optic modes support distances of greater than 550 meters?()

A. 1000BASE-CX
B. 100BASE-FX
C. 1000BASE-LX
D. 1000BASE-SX
E. 1000BASE-ZX


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1.多項選擇題What are two characteristics of RIPv2?()

A. classful routing protocol
B. variable-length subnet masks
C. broadcast addressing
D. manual route summarization
E. uses SPF algorithm to compute path

3.多項選擇題Which two features did WPAv1 add to address the inherent weaknesses found in WEP?()

A. a stronger encryption algorithm
B. key mixing using temporal keys
C. shared key authentication
D. a shorter initialization vector
E. per frame sequence counters

4.多項選擇題Which three options are valid WAN connectivity methods?()

A.PPP
B.WAP
C.HDLC
D.MPLS
E.L2TPv3
F.ATM

5.多項選擇題If IP routing is enabled, which two commands set the gateway of last resort to the default gateway?()

A. ip default-gateway 0.0.0.0
B. ip route 172.16.2.1 0.0.0.0 0.0.0.0
C. ip default-network 0.0.0.0
D. ip default-route 0.0.0.0 0.0.0.0 172.16.2.1
E. ip route 0.0.0.0 0.0.0.0 172.16.2.1

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What is the result of issuing the frame-relay map ip 192.168.1.2 202 broadcast command?()

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An employee of ABC company has move to an office on a different floor. Although the administrator is able to telnet to all of the routers,the address of Switch F is needed in order to verify that the employee remains in the same VLAN.Which action could be used by the administrator to find the IP address of Switch F?()

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What is the default administrative distance of OSPF?()

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A network administrator is planning a network installation for a large organization.The design requires 100 separate subnetworks,so the company has acquired a Class B network address.What subnet mask will provide the 100 subnetworks required, if 500 usable host addresses are required per subnet?()

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Which Cisco IOS diagnostics command can disrupt the operation of a router under high-load conditions?()

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Which address is the IPV6 all-RIP-routers muticast group address that is used by RIPng as the destaion address?()

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While troubleshooting a network problem,a technician discovers that the current copy of the Cisco IOS is outdated and needs to be updated.Which of the following commands would the technician issue to replace the Cisco router IOS with the newer version?()

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Which protocol reduces administrative overhead in a switched network by allowing the configuration of a new VLAN to be distributed to all the switches in a domain?()

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Which IPsec security protocol should be used when confidentiality is required?()

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Which command is used to display the collection of OSPF link states?()

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